package com.yan01.bio;

import com.sun.scenario.effect.impl.sw.sse.SSEBlend_SRC_OUTPeer;

import java.io.InputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.concurrent.Executors;
import java.util.concurrent.LinkedBlockingDeque;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

/**
 * @author yyh
 * @create 2020-10-30 10:07
 */
public class BioServer {

    public static void main(String[] args) throws Exception{
        //创建一个线程池
        ThreadPoolExecutor threadPoolExecutor = new ThreadPoolExecutor(2,5,3, TimeUnit.SECONDS,
                new LinkedBlockingDeque<>(3),
                Executors.defaultThreadFactory(),
                new ThreadPoolExecutor.DiscardOldestPolicy());
        //创建一个ServerSocket
        ServerSocket serverSocket = new ServerSocket(6666);

        System.out.println("服务器启动了");

        while(true){
            //监听，等待连接
            System.out.println("等待连接");
            final Socket socket = serverSocket.accept();
            System.out.println("连接到一个客户端");


            //就创建一个线程，与之通讯(单独写一个方法)
            threadPoolExecutor.execute(() -> {
                handler(socket);
            });

        }

    }

    //编写一个handler方法，和客户端通讯
    public static void handler(Socket socket) {

        try {
            System.out.println("线程信息 id =" + Thread.currentThread().getId() + " 名字=" + Thread.currentThread().getName());
            byte[] bytes = new byte[1024];
            //通过socket 获取输入流
            InputStream inputStream = socket.getInputStream();

            //循环的读取客户端发送的数据
            while (true) {

                System.out.println("线程信息 id =" + Thread.currentThread().getId() + " 名字=" + Thread.currentThread().getName());

                System.out.println("read....");
                int read =  inputStream.read(bytes);
                if(read != -1) {
                    System.out.println(new String(bytes, 0, read
                    )); //输出客户端发送的数据
                } else {
                    break;
                }
            }


        }catch (Exception e) {
            e.printStackTrace();
        }finally {
            System.out.println("关闭和client的连接");
            try {
                socket.close();
            }catch (Exception e) {
                e.printStackTrace();
            }

        }
    }
}


































